/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.CommandResultManager;
import model.Executable;

/**
 *
 * @author think
 */
public class GetCmdResultsServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet GetCmdResultsServlet</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet GetCmdResultsServlet at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
             */
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet 方法。单击左侧的 + 号以编辑代码。">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        PrintWriter out = response.getWriter();
        Executable[] cmds = CommandResultManager.getRecentCmdResults();
//        String[] results = MessageManager.getAllMessages();
//        out.print(results.length);
        for (int i = 0; i < cmds.length; i++) {
            Executable cmd = cmds[i];
            out.println("<div class='command'>" + (i + 1) + ". " + cmd.getCmd() + "</div");
            if (cmd.getResult().isSucceed()) {
                out.print("<div class='success'>" + cmd.getResult().getOutput() + "</div>");
                if (cmd.getResult().getData() != null) {
                    out.print(("<div class='data'>"));
                    int index = 1;
                    Iterator it = cmd.getResult().getData().iterator();
                    while (it.hasNext()) {
                        out.print(index + ". " + it.next().toString() + "<br>");
                        index++;
                    }
                    out.print("</div>");
                }
            } else {
                out.print("<div class='error'>" + cmd.getResult().getOutput() + "</div>");
            }
//            out.print("<br>");
        }
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
